From: Tejun Heo <htejun@gmail.com>
Date: Fri, 11 Nov 2005 13:27:09 +0000 (+0100)
Subject: [BLOCK] as-iosched: update alias handling
X-Git-Tag: v2.6.16-rc1~936^2^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ef9be1d336378de279d4e37779f1b83cebadbcc0;p=pandora-kernel.git

[BLOCK] as-iosched: update alias handling

Unlike other ioscheds, as-iosched handles alias by chaing them using
rq->queuelist.  As aliased requests are very rare in the first place,
this complicates merge/dispatch handling without meaningful
performance improvement.  This patch updates as-iosched to dump
aliased requests into dispatch queue as other ioscheds do.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
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